ATLAS computing activities and developments in the Italian Grid cloud

• Published in: Journal of physics. Conference series Vol. 396; no. 4; pp. 42052 - 8
• Main Authors: Rinaldi, L, Annovi, A, Antonelli, M, Barberis, D, Barberis, S, Brunengo, A, Campana, S, Capone, V, Carlino, G, Carminati, L, Ciocca, C, Corosu, M, De, A, Di, A, Doria, A, Esposito, R, K, M, Luminari, L, Martini, A, Merola, L, Perini, L, Prelz, F, Rebatto, D, Russo, G, Vaccarossa, L, Vilucchi, E
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 01.01.2012
• Subjects: Computation; Computer simulation; Data analysis; Data processing; Evolution; Federations; Mathematical models; Physics; Software development; Workload
• ISSN: 1742-6588; 1742-6596
• DOI: 10.1088/1742-6596/396/4/042052

The large amount of data produced by the ATLAS experiment needs new computing paradigms for data processing and analysis, which involve many computing centres spread around the world. The computing workload is managed by regional federations, called “clouds”. The Italian cloud consists of a main (Tier-1) center, located in Bologna, four secondary (Tier-2) centers, and a few smaller (Tier-3) sites. In this contribution we describe the Italian cloud facilities and the activities of data processing, analysis, simulation and software development performed within the cloud, and we discuss the tests of the new computing technologies contributing to evolution of the ATLAS Computing Model.